#include<iostream>
#include<fstream>
#include<cstdlib>
using namespace std;

void write_into_file(){
    cout<<"请输入合成后生成的文件名:"<<endl;
    string Des_FileName;
    cin>>Des_FileName;
    cout<<endl;

    cout<<"请输入想要合并原始文件个数:"<<endl;
    int cnt;
    cin>>cnt;
    cout<<endl;

    string Source_Array_FileName[cnt];//保存将要合并的各文件
    for(int i=0;i!=cnt;++i){
        cout<<"请输入第"<<i+1<<"个原始文件:"<<endl;
        cin>>Source_Array_FileName[i];
    }

    ofstream outfile(Des_FileName,ios::out);//定义输出文件流对象，并赋初值，指定模式
    ifstream infile;//定义一个输入文件流对象
    char c;//用来暂存从文件独处的一个字符

    for(string Temp_FileName : Source_Array_FileName){
        infile.open(Temp_FileName,ios::in);
        if(!infile){
            cerr<<"打开文件 "<<Temp_FileName<<" 失败"<<endl;
        }
        while(infile.get(c)){
            outfile<<c;
        }
        infile.close();
        cout<<Temp_FileName<<endl;
    }
    outfile.close();
    cout<<"文件合并已完成"<<endl;
}
int main(){
    write_into_file();
    system("pause");
    return 0;
}